不情之请
my presumptuous request (humble expr.); if I may be so bold to ask a favor
不清楚
unclear; not understood; currently unknown
不请自来
to turn up without being invited; unsolicited
不轻饶
not to forgive easily; not to let off; (You, He) won't get away with it!
平步青云
to rapidly go up in the world; meteoric rise (of a career, social position etc)
男儿有泪不轻弹
real men do not easily cry (idiom)